in fact, four u.s. presidents have been elected to office without winning the popular votes all in tight races like the one decide this had week, could it all happen again? presidential historian joins us with perspective, good morning to you, nick. >> good morning, gretchen. >> this just happened 12 years ago and many people have been speculating that president obama might win electorally, but mitt romney might win the popular vote. how do you see it? >> well, it's sort of becoming a trend as you mentioned, it happened 12 years ago and three other times in history and it could very well happen again. we see that mitt romney in a lot of the polls is leading, and we've seen other polls, obama is leading and depends where the electoral college, those eight swing states that people are talking about, ohio, new hampshire, virginia, others, depends what happens in those states. amazingly enough this election has turned into an election for about eight states. >> gretchen: and some people are upset about that